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Diffstat (limited to 'dgbuilder/dgeflows/node_modules/express/lib/utils.js')
-rw-r--r-- | dgbuilder/dgeflows/node_modules/express/lib/utils.js | 283 |
1 files changed, 0 insertions, 283 deletions
diff --git a/dgbuilder/dgeflows/node_modules/express/lib/utils.js b/dgbuilder/dgeflows/node_modules/express/lib/utils.js deleted file mode 100644 index 9c004cc7..00000000 --- a/dgbuilder/dgeflows/node_modules/express/lib/utils.js +++ /dev/null @@ -1,283 +0,0 @@ -/** - * Module dependencies. - */ - -var contentDisposition = require('content-disposition'); -var deprecate = require('depd')('express'); -var mime = require('send').mime; -var basename = require('path').basename; -var etag = require('etag'); -var proxyaddr = require('proxy-addr'); -var qs = require('qs'); -var querystring = require('querystring'); -var typer = require('media-typer'); - -/** - * Return strong ETag for `body`. - * - * @param {String|Buffer} body - * @param {String} [encoding] - * @return {String} - * @api private - */ - -exports.etag = function (body, encoding) { - var buf = !Buffer.isBuffer(body) - ? new Buffer(body, encoding) - : body; - - return etag(buf, {weak: false}); -}; - -/** - * Return weak ETag for `body`. - * - * @param {String|Buffer} body - * @param {String} [encoding] - * @return {String} - * @api private - */ - -exports.wetag = function wetag(body, encoding){ - var buf = !Buffer.isBuffer(body) - ? new Buffer(body, encoding) - : body; - - return etag(buf, {weak: true}); -}; - -/** - * Check if `path` looks absolute. - * - * @param {String} path - * @return {Boolean} - * @api private - */ - -exports.isAbsolute = function(path){ - if ('/' == path[0]) return true; - if (':' == path[1] && '\\' == path[2]) return true; - if ('\\\\' == path.substring(0, 2)) return true; // Microsoft Azure absolute path -}; - -/** - * Flatten the given `arr`. - * - * @param {Array} arr - * @return {Array} - * @api private - */ - -exports.flatten = function(arr, ret){ - ret = ret || []; - var len = arr.length; - for (var i = 0; i < len; ++i) { - if (Array.isArray(arr[i])) { - exports.flatten(arr[i], ret); - } else { - ret.push(arr[i]); - } - } - return ret; -}; - -/** - * Normalize the given `type`, for example "html" becomes "text/html". - * - * @param {String} type - * @return {Object} - * @api private - */ - -exports.normalizeType = function(type){ - return ~type.indexOf('/') - ? acceptParams(type) - : { value: mime.lookup(type), params: {} }; -}; - -/** - * Normalize `types`, for example "html" becomes "text/html". - * - * @param {Array} types - * @return {Array} - * @api private - */ - -exports.normalizeTypes = function(types){ - var ret = []; - - for (var i = 0; i < types.length; ++i) { - ret.push(exports.normalizeType(types[i])); - } - - return ret; -}; - -/** - * Generate Content-Disposition header appropriate for the filename. - * non-ascii filenames are urlencoded and a filename* parameter is added - * - * @param {String} filename - * @return {String} - * @api private - */ - -exports.contentDisposition = deprecate.function(contentDisposition, - 'utils.contentDisposition: use content-disposition npm module instead'); - -/** - * Parse accept params `str` returning an - * object with `.value`, `.quality` and `.params`. - * also includes `.originalIndex` for stable sorting - * - * @param {String} str - * @return {Object} - * @api private - */ - -function acceptParams(str, index) { - var parts = str.split(/ *; */); - var ret = { value: parts[0], quality: 1, params: {}, originalIndex: index }; - - for (var i = 1; i < parts.length; ++i) { - var pms = parts[i].split(/ *= */); - if ('q' == pms[0]) { - ret.quality = parseFloat(pms[1]); - } else { - ret.params[pms[0]] = pms[1]; - } - } - - return ret; -} - -/** - * Compile "etag" value to function. - * - * @param {Boolean|String|Function} val - * @return {Function} - * @api private - */ - -exports.compileETag = function(val) { - var fn; - - if (typeof val === 'function') { - return val; - } - - switch (val) { - case true: - fn = exports.wetag; - break; - case false: - break; - case 'strong': - fn = exports.etag; - break; - case 'weak': - fn = exports.wetag; - break; - default: - throw new TypeError('unknown value for etag function: ' + val); - } - - return fn; -} - -/** - * Compile "query parser" value to function. - * - * @param {String|Function} val - * @return {Function} - * @api private - */ - -exports.compileQueryParser = function compileQueryParser(val) { - var fn; - - if (typeof val === 'function') { - return val; - } - - switch (val) { - case true: - fn = querystring.parse; - break; - case false: - fn = newObject; - break; - case 'extended': - fn = qs.parse; - break; - case 'simple': - fn = querystring.parse; - break; - default: - throw new TypeError('unknown value for query parser function: ' + val); - } - - return fn; -} - -/** - * Compile "proxy trust" value to function. - * - * @param {Boolean|String|Number|Array|Function} val - * @return {Function} - * @api private - */ - -exports.compileTrust = function(val) { - if (typeof val === 'function') return val; - - if (val === true) { - // Support plain true/false - return function(){ return true }; - } - - if (typeof val === 'number') { - // Support trusting hop count - return function(a, i){ return i < val }; - } - - if (typeof val === 'string') { - // Support comma-separated values - val = val.split(/ *, */); - } - - return proxyaddr.compile(val || []); -} - -/** - * Set the charset in a given Content-Type string. - * - * @param {String} type - * @param {String} charset - * @return {String} - * @api private - */ - -exports.setCharset = function(type, charset){ - if (!type || !charset) return type; - - // parse type - var parsed = typer.parse(type); - - // set charset - parsed.parameters.charset = charset; - - // format type - return typer.format(parsed); -}; - -/** - * Return new empty object. - * - * @return {Object} - * @api private - */ - -function newObject() { - return {}; -} |